Features: Specially designed for the leveling of guitar necks. The main body of the sand bar is made of aluminum, which is rustproof and easy to use. The sand bar is designed with four sided sandpaper bar(120, 240, 320.0, 100, 600, 1000 grit), which can meet your different polishing needs. The guitar leveling bar itself comes with four different pieces of sandpaper that can be polished to varying degrees. Ergonomic design provides a comfortable grip for long-lasting fret leveling work. Fret leveling tool is applicable for fret leveling, fretboard contouring, body sanding. Specifications: Materials: Aluminum Leveling Bar Length: about 40cm/15.75inch Sandpaper: 120+240+320+100+600+1000mesh Package Includes: 1pc Fret Sanding Leveler Beam Leveling Bar 6pcs Replacement Sanding Paper note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.